// pages/offer/offer.js
Page({

  /**
   * 页面的初始数据
   */
  data: {

  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    this.getList(0)
    wx.setStorageSync('dot', 0)
   
  },

  getList(start, limit = 10) {
    let that = this
    wx.$https('offer.list', {
      start: start,
      limit: limit
    }).then(res => {
      that.setData({
        list: start == 0 ? res : that.data.list.concat(res)
      })
    })
  },

  downLoad(e) {
    let that = this
    let offerId = e.currentTarget.dataset.id
    let url = e.currentTarget.dataset.url
    wx.$https('offer.down', {
      offerId: offerId
    }).then(res => {
      wx.showLoading({
        mask: true
      })
      wx.downloadFile({
        url: url,
        success(res) {
          let filePath = res.tempFilePath;
          wx.openDocument({
            filePath: filePath,
            fileType: "xls",
            success(res) {
              wx.hideLoading()
              setTimeout(() => {
                that.getList(0, that.data.list.length)
              }, 900)
            }
          });
        }
      })
    })
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {
    this.getList(0)
    wx.stopPullDownRefresh()
  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    this.getList(this.data.list.length)
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})